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GEAR INSPECTION MACHINES
FOR SPUR GEARS
GTS 100/200/300/400
Geartec.cz, Czech Republic, 2014
Insp
ecti
on o
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ing m
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MANUFACTURING REQUIREMENTS
Quality grade according to DIN Standard
Guaranteed tooth backlash
Low running noise / long life-span
Influence of assembly accuracy
Localization of tooth nicks
Quick and inexpensive measurement
100% inspection of all gears, suitable for mass production
Geartec.cz, Czech Republic, 2014
This is all where our machine of double-
flank rolling can help you. Insp
ecti
on o
f sp
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gea
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double
-fla
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roll
ing m
ethod
MEASURING PRINCIPLE
Tooth errors cause fluctuation of axis distance
Left and right flank are measured simultaneously
Constant force in radial direction
Measuring accuracy is better than 1μm
Deviations according to: DIN, ISO, AGMA, JIS,
JGMA a BS
Geartec.cz, Czech Republic, 2014
Insp
ecti
on o
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double
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Geartec.cz, Czech Republic, 2014
MACHINES CAN MEASURE
Standards: DIN, ISO, AGMA, BS, JGMA, JIS
and/or in-company requirements
Double-flank deviations
Fi'' - Total composite error
fi '' - Tooth to tooth error
Fr '' - Radial runout
Other measurable deviations
j - Backlash
Aa - Fluctuation of axis distance
Mz - Measure over teeth
Mdk - Measure over pins
Insp
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RANGE OF GTS MACHINES, VARIATIONS
GTS 100 – machine for measuring of spur gears, max. diameter 100 mm
GTS 200 – machine for measuring of spur gears, max. diameter 200 mm
GTS 300 – machine for measuring of spur gears, max. diameter 300 mm
GTS 400 – machine for measuring of spur gears, max. diameter 400 mm
Machines with mechanical drive – inspection by a dial
Machines with motor drives– inspection and evaluation by a GEARTEC software
Clamping fleetingly or between centers
Clamping by a specially designed clamping fixtures – construction is based on a
customer demand
Setting of measuring force and measuring speed is objective
Geartec.cz, Czech Republic, 2014
Insp
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MACHINE PARAMETERS
GTS RANGE
GTS 100 GTS 200 GTS 300 GTS 400
Diameter of measured gear, max. /mm/ 100 200 300 400
Axis distance, min. /mm/ 15 45 75 100
Gear length clamped between centers,
max. /mm/ 100 300 500 700
Weight of measured gear, max. /kg/ 0,5 3 5 10
Measuring speed, max.
(machines with motor drive) /rev./min-1/ 20 10 10 5
Measuring force, max. /N/ 8 20 30 50
Total measuring accuracy /μm/ 0,5 1 1 1,5
Geartec.cz, Czech Republic, 2014
Insp
ecti
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f sp
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Geartec.cz, Czech Republic, 2014
MEASURING REPORT (HEADER)
Measured
gear data
Customer‚s
logo
Insp
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Allowed values according to DIN 3963
Measured values
Geartec.cz, Czech Republic, 2014
EVALUATION OF MEASURED DATA In
spec
tion o
f sp
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roll
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Geartec.cz, Czech Republic, 2014
MEASUIRING REPORTS
Deviations Fi'' / fi
'' / Fr '' depicted in one diagram including highlighted
tooth with the worst local fi '' deviation.
Insp
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Separately depicted following
deviations: Fi'' / fi
'' / Fr ''
Fluctuation of centre distance can
be optionally measured
Measurement over teeth can also
be optionally measured
Geartec.cz, Czech Republic, 2014
MEASUIRNG REPORTS In
spec
tion o
f sp
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gea
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double
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nk
roll
ing m
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Elimination of bearings
inaccuracy
Simultaneous measuring of
several gears on one shaft
Quality of bearing surface
depicted (eccentricity and
roundness)
Quality evaluation related to the
axis of rotation and/or bearing
axis.
Geartec.cz, Czech Republic, 2014
MEASURING REPORT In
spec
tion o
f sp
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gea
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double
-fla
nk
roll
ing m
ethod
Geartec.cz, Czech Republic, 2014
MEASURING REPORT
FTT – analysis of measured signal
Detection of error influences
Production process diagnosis
Used tool quality analysis
Used clamping fixture quality
analysis
Insp
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for much demanding accuracy of measuring; quality of measured gear is close to
the quality of master gear
Geartec.cz, Czech Republic, 2014
8 revolutions of measured gear without
master gear error cancellation
MASTER GEAR ERROR ELIMINATION In
spec
tion o
f sp
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gea
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double
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roll
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Geartec.cz, Czech Republic, 2014
Why is each revolution different? It is caused by the master gear error.
Insp
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double
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Geartec.cz, Czech Republic, 2014
8 revolutions of measured gear with
master gear error cancellation based
on FFT analysis.
MASTER GEAR ERROR ELIMINATION In
spec
tion o
f sp
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gea
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double
-fla
nk
roll
ing m
ethod
Geartec.cz, Czech Republic, 2014
MEASURING AND CANCELLATION
OF CLAMPING INACCURACY
Inaccuracy of
clamping
cancelled
Insp
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BASIC PARAMETERS
Geartec.cz, Czech Republic, 2014
Measuring software is user-friendly and does not require any special PC
knowledge. It can communicate in many languages and runs under Microsoft
Windows software.
Intuitive work environment
Insp
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COMPLEMENTARY PARAMETERS
Description of a measuring cycle is optionally adjustable
Complementary parameters
Data of production
Geartec.cz, Czech Republic, 2014
Měř
ení
čeln
ích k
ol
met
odou d
voubokéh
o
odval
u
DEVIATIONS
Geartec.cz, Czech Republic, 2014
A wide spectrum of available standards for evaluation
Optional choice of measured deviations
Insp
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EXAMPLE 1 : GOOD RESULTS
Geartec.cz, Czech Republic, 2014
Double flank chart, gear with 36 teeth
Radial runout about 0,010 mm
Visible meshing of individual teeth
One tooth in the middle of chart is little thicker
Insp
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Geartec.cz, Czech Republic, 2014
EXAMPLE 2: TOOTH NICK
Tooth No.9 is damaged on tip
Gear with axial runout
After measuring, the gear automatically rotates to the damaged area
Insp
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EXAMPLE 3: LOW QUALITY GEARING
Double flank chart, gear with 16 teeth
Wrong pressure angle
Tooth No. 5 is damaged or dirty
Geartec.cz, Czech Republic, 2014
Insp
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Geartec.cz, Czech Republic, 2014
EXAMPLE 4: LOW QUALITY GEARING
Double flank chart, gear with 15 teeth
Radial runout
Teeth with inaccuracy of profile caused by a hobbing machine
Insp
ecti
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Geartec.cz, Czech Republic, 2014
EXAMPLE 5: MEASURING OF BACKLASH
Axis distance is related to the nominal value
Calculation of measurement over tooth Mz
Calculation of measurement over pins (balls) Mrk , Mdk
Nominal value of
axis distance
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ecti
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EXAMPLE 6: BEARINGS RUNOUT
Measured quality
of gears –
clamped between
centers
Quality of gears
after bearings
runout elimination
Geartec.cz, Czech Republic, 2014
Insp
ecti
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Geartec.cz, Czech Republic, 2014
EXAMPLE 7: CONTACT PATTERN
Quality of contact pattern is shown in % of the total area of tooth
Photos are automatically saved with measured data into a databank
Insp
ecti
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ethod
Geartec.cz, Czech Republic, 2014
STATISTICAL EVALUATION In
spec
tion o
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GTS100 MECHANICAL MACHINE
Geartec.cz, Czech Republic, 2014
Master gear on an
arbor is clamped
between centers
Measured gear is
clamped fleetingly,
clamping diameter is
optional up to app. 20
mm
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ecti
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MODERNIZED MACHINE GM
Master gear is clamped fleetingly, clamping diameter 12,7 mm
Measured gear is clamped fleetingly, clamping diameter is
optional up to app. 20 mm
Special version with a tilt unit enabling measuring of helical gear
with a spur master gear..
Geartec.cz, Czech Republic, 2014
Insp
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GTS100 MACHINE
Geartec.cz, Czech Republic, 2014
Master gear is clamped fleetingly, clamping diameter 12,7 mm
Measured gear is clamped fleetingly, clamping diameter is
optional up to app. 20 mm
Including a controlling computer and Geartec SW
Insp
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GTS200 MACHINE
Both master gear and measure
gear is clamped between
centers
With motor drive
Including a controlling
computer and Geartec SW
Geartec.cz, Czech Republic, 2014
Insp
ecti
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GTS200 MACHINE
Geartec.cz, Czech Republic, 2014
Version for measuring of rack
Pinion with a motor drive
Suitable for both left and right control
Including a controlling computer and Geartec SW
Insp
ecti
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GTS200 MACHINE
Geartec.cz, Czech Republic, 2014
Master gear is clamped fleetingly, clamping diameter 30 mm
Measured gear is clamped fleetingly by a special clamping fixture
Including a controlling computer and Geartec SW
Insp
ecti
on o
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ethod
GTS200 MACHINE
Geartec.cz, Czech Republic, 2014
Rotary axis with a motor
drive
Master gear on an arbor
clamped between centers
A tilt head enables measuring
of helical gear with a spur
master gear
Including a controlling
computer and Geartec SW
Měř
ení
čeln
ích k
ol
met
odou d
voubokéh
o
odval
u
GTD200 MACHINE
Geartec.cz, Czech Republic, 2014
Rotary axis with a motor
drive
Measuring of internal and
external gears
Including a controlling
computer and Geartec SW
Insp
ecti
on o
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ethod
GTS300 MACHINE
Geartec.cz, Czech Republic, 2014
Rotary axis with a motor drive
Master gear on an arbor clamped between centers
A tilt head enables measuring of helical gear with a spur master
gear
Including a controlling computer and Geartec SW
Insp
ecti
on o
f sp
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GTS400 MACHINE
Geartec.cz, Czech Republic, 2014
Both master gear and measured gear are clamped between centers
Linear axis with a motor drive
Including a controlling computer and Geartec SW
Insp
ecti
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MASTER GEAR CLAMPING
Geartec.cz, Czech Republic, 2014
Cylindrical arbor for master gear clamping between centers
Master gear is vertically adjustable
Options of clamping arbor diameters: 16, 20 and 30mm
Arbor is produced in quality IT2
Clamping accuracy up to 0,003 mm
Insp
ecti
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MASTER GEAR CLAMPING
Geartec.cz, Czech Republic, 2014
Clamping fleetingly by
an expanding collet
Standard clamping diameters
20 and 30 mm
Clamping accuracy up to 0,002 mm
Insp
ecti
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CLAMPING FIXTURES SET
Geartec.cz, Czech Republic, 2014
Fast and easy exchange
Clamping accuracy in
app. 0,002 mm
Construction based on
customer demands
Insp
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CERTIFIED MEASURING ACCURACY
Geartec.cz, Czech Republic, 2014
Checking with a certified eccentric disc
Difference in measurements in app. 0,3 μm
Quality parameters cm a cmk ≥ 1,33
In accordance with international system of quality measuring
Insp
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MASTER GEARS SET
Parameters of master gears are design for particular measured gears
We supply with master gears in quality DIN 3-4
You can design your master gear in a GEAR application by GEARTEC Geartec.cz, Czech Republic, 2014
Insp
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REFERENCE LIST
Geartec.cz, Czech Republic, 2014
Germany ATLANTA ANTRIEBSSYSTEME GmbH & Co.KG
GTS 200 – double flank tester for spur gears
BMW AG – BMW WERK BERLIN
GT 150KW – 2 pieces of double flank tester for automotive crank
shafts
EUROTRONIC GmbH
GMS 32 – double flank tester for spur and helical gears
FEINWERK TECHNIK GmbH
GMS 32 – double flank tester for spur and helical gears
GSC SCHWÖRER GmbH
GTS 200 – double flank tester for spur gears
NEUGART GmbH
GMS 32 – double flank tester for spur and helical gears
RINGHOFFER VERZAHNUNGSTECHNIK GmbH
GTS 200 – double flank tester for spur gears
SIEMENS GEARED MOTORS GmbH, WERK TÜBINGEN
GTWG 350 – double flank tester for worm gears
VOGEL ANTRIEBSTECHNIK GmbH
GTS 300 – double flank tester for spur gears
France CP GEORGES RENAULT S.A.S.
GMS 32 – double flank tester for spur and helical gears
CROUZET AUTOMATISMES
GMS 32 – double flank tester for spur and helical gears
Hungary ALAS COPCO
GMS 32 – double flank tester for spur and helical gears
Korea LG INNOTEK
GMS 32 – double flank tester for spur and helical gears
SAMSUNG ELECTRONICS
GMS 32 – double flank tester for spur and helical gears
Sweden ALAS COPCO
GMS 32 – 3 peices of double flank tester for spur and helical
gears
a mnoho dalších
Insp
ecti
on o
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gea
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double
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roll
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ethod
Geartec.cz, Czech Republic, 2014
THANK YOU GEARTEC.CZ, s.r.o.
Křižíkova 270
250 88 Čelákovice
Czech Republic
info@geartec.cz
www.geartec.cz
Insp
ecti
on o
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